Home / 7,847.22-11,765.94-4,147.14

Finding the Fourth Proportional to 7,847.22, 11,765.94 and 4,147.14

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Solution

The fourth proportional to 7,847.22, 11,765.94 and 4,147.14 is: 6,218.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.22 : 11,765.94 = 4,147.14 : x
  2. Step 2: Convert to fraction form
    7,847.22/11,765.94 = 4,147.14/x
  3. Step 3: Cross multiply
    7,847.22x = 11,765.94 × 4,147.14
  4. Step 4: Simplify right side
    7,847.22x = 48,795,000.41
  5. Step 5: Solve for x
    x = 48,795,000.41/7,847.22
  6. Step 6: Final answer
    x = 6,218.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.